<?php
    // +----------------------------------------------------------------------
    // | ThinkPHP [ WE CAN DO IT JUST THINK ]
    // +----------------------------------------------------------------------
    // | Copyright (c) 2006~2017 http://thinkphp.cn All rights reserved.
    // +----------------------------------------------------------------------
    // | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
    // +----------------------------------------------------------------------
    // | Author: liu21st <liu21st@gmail.com>
    // +----------------------------------------------------------------------
    define('THINK_VERSION', '5.0.9');
    define('THINK_START_TIME', microtime(true));
    define('THINK_START_MEM', memory_get_usage());
    define('EXT', '.php');
    define('DS', DIRECTORY_SEPARATOR);
    defined('THINK_PATH') or define('THINK_PATH', __DIR__ . DS);
    define('LIB_PATH', THINK_PATH . 'library' . DS);
    define('CORE_PATH', LIB_PATH . 'think' . DS);
    define('TRAIT_PATH', LIB_PATH . 'traits' . DS);
    defined('APP_PATH') or define('APP_PATH', dirname($_SERVER['SCRIPT_FILENAME']) . DS);
    defined('ROOT_PATH') or define('ROOT_PATH', dirname(realpath(APP_PATH)) . DS);
    defined('EXTEND_PATH') or define('EXTEND_PATH', ROOT_PATH . 'extend' . DS);
    defined('VENDOR_PATH') or define('VENDOR_PATH', ROOT_PATH . 'vendor' . DS);
    defined('RUNTIME_PATH') or define('RUNTIME_PATH', ROOT_PATH . 'runtime' . DS);
    defined('LOG_PATH') or define('LOG_PATH', RUNTIME_PATH . 'log' . DS);
    defined('CACHE_PATH') or define('CACHE_PATH', RUNTIME_PATH . 'cache' . DS);
    defined('TEMP_PATH') or define('TEMP_PATH', RUNTIME_PATH . 'temp' . DS);
    defined('CONF_PATH') or define('CONF_PATH', APP_PATH); // 配置文件目录
    defined('CONF_EXT') or define('CONF_EXT', EXT); // 配置文件后缀
    defined('ENV_PREFIX') or define('ENV_PREFIX', 'PHP_'); // 环境变量的配置前缀
    // 环境常量
    define('IS_CLI', PHP_SAPI == 'cli' ? true : false);
    define('IS_WIN', strpos(PHP_OS, 'WIN') !== false);
    // 载入Loader类
    require CORE_PATH . 'Loader.php';
    // 加载环境变量配置文件
    if (is_file(ROOT_PATH . '.env')) {
        $env = parse_ini_file(ROOT_PATH . '.env', true);
        foreach ($env as $key => $val) {
            $name = ENV_PREFIX . strtoupper($key);
            if (is_array($val)) {
                foreach ($val as $k => $v) {
                    $item = $name . '_' . strtoupper($k);
                    putenv("$item=$v");
                }
            } else {
                putenv("$name=$val");
            }
        }
    }
    // 注册自动加载
    \think\Loader::register();
    // 注册错误和异常处理机制
    \think\Error::register();
    // 加载惯例配置文件
    \think\Config::set(include THINK_PATH . 'convention' . EXT);
